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Are you struggling to balance generative AI safety with accuracy, performance, and costs? Many organizations face this challenge when deploying generative AI applications to production. A guardrail that’s too strict blocks legitimate user requests, which frustrates customers. One that’s too lenient exposes your application to harmful content, prompt attacks, or unintended data exposure. Finding the right balance requires more than just enabling features; it demands thoughtful configuration and nearly continuous refinement. Amazon Bedrock Guardrails gives you powerful tools for […]

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Charter Communications, operator of the Spectrum cable brand, has obtained Federal Communications Commission permission to buy Cox and surpass Comcast as the country’s largest home Internet service provider. Charter has 29.7 million residential and business Internet customers compared to Comcast’s 31.26 million. Buying Cox will give Charter another 5.9 million Internet customers. The FCC approved the deal on Friday, but the companies still need Justice Department approval and sign-offs from states including California and New York. Opponents of […]

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Agentic Engineering Patterns > I like to include animated GIF demos in my online writing, often recorded using LICEcap. There’s an example in the Interactive explanations chapter. These GIFs can be pretty big. I’ve tried a few tools for optimizing GIF file size and my favorite is Gifsicle by Eddie Kohler. It compresses GIFs by identifying regions of frames that have not changed and storing only the differences, and can optionally reduce the GIF color palette or apply […]

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In grad school I specialized in differential equations, but never worked with delay-differential equations, equations specifying that a solution depends not only on its derivatives but also on the state of the function at a previous time. The first time I worked with a delay-differential equation would come a couple decades later when I did some modeling work for a pharmaceutical company. Large delays can change the qualitative behavior of a differential equation, but it seems plausible that […]

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PALO, Iowa—There are two restaurants in Palo, not counting the chicken wings and pizza sold at the only gas station in town. All three establishments, including the gas station, stand on the same half-mile stretch of First Street, an artery that divides the marshy floodplain of the Cedar River to the east from hundreds of acres of cornfields on the west. During historic flooding in 2008, the Cedar River surged 10 feet above its previous record, cresting at […]

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